Gary Lockwood

Gary Lockwood (born John Gary Yurosek; February 21, 1937) is an American actor. Lockwood is best known for his roles as astronaut Frank Poole in the film 2001: A Space Odyssey (1968), and as Lieutenant Commander Gary Mitchell in the Star Trek second pilot episode "Where No Man Has Gone Before" (1966). He starred in the only American film by French New Wave director Jacques Demy, Model Shop. He played numerous guest television roles from the early 1960s into the mid-1990s, and played the title role in The Lieutenant (1963–1964).